3685434694287 has 4 divisors (see below), whose sum is σ = 4913912925720. Its totient is φ = 2456956462856.

The previous prime is 3685434694259. The next prime is 3685434694303. The reversal of 3685434694287 is 7824964345863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3685434694287 - 2⁶ = 3685434694223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685434694687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614239115712 + ... + 614239115717.

It is an arithmetic number, because the mean of its divisors is an integer number (1228478231430).

Almost surely, 2^{3685434694287} is an apocalyptic number.

3685434694287 is a deficient number, since it is larger than the sum of its proper divisors (1228478231433).

3685434694287 is a wasteful number, since it uses less digits than its factorization.

3685434694287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228478231432.

The product of its digits is 836075520, while the sum is 69.

The spelling of 3685434694287 in words is "three trillion, six hundred eighty-five billion, four hundred thirty-four million, six hundred ninety-four thousand, two hundred eighty-seven".